Business Green: In a blow to the US auto industry’s attempts to remake itself as a provider of greener vehicles, troubled manufacturer Chrysler has halted production of its only hybrid vehicles, the Durango and Aspen, citing poor sales. The cars are produced at a factory in Newark, Delaware factory that the company said will close at the end of this month after US sales in September dropped dramatically. “It’s not a sound decision to keep open the plant for the hybrid demand alone,” the …